. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 4. Dryopteris fragrans (L.) Schott. Fragrant Shield-fern. Fig. 40. Polypqdium fragrans L. Sp. PI. 1089. 1753. Aspidium fragrans Sw. Schrad. Journ. Bot. 18002135. 1801. Dryopteris fragrans Schott, Gen. Fil. 1834. Rootstock stout, erect, densely chaffy with brown shining scales. Stipes 2'-^' long, chaffy; blades lanceo- late to narrowly oblanceolate, 3'-l2' long,
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 4. Dryopteris fragrans (L.) Schott. Fragrant Shield-fern. Fig. 40. Polypqdium fragrans L. Sp. PI. 1089. 1753. Aspidium fragrans Sw. Schrad. Journ. Bot. 18002135. 1801. Dryopteris fragrans Schott, Gen. Fil. 1834. Rootstock stout, erect, densely chaffy with brown shining scales. Stipes 2'-^' long, chaffy; blades lanceo- late to narrowly oblanceolate, 3'-l2' long, firm, aromatic, nearly or quite 2-pinnate, the apex acute; pinnae numer- ous, l'-ll' long, oblong-lanceolate to deltoid-lanceolate, usually subacute; segments oblong, obtuse, adnate, de- current, deeply incised to subentire, nearly covered by the sori; indusium thin, very large, nearly orbicular, long-persistent, its margin ragged and sparingly gland- ular, the sinus narrow. On rocks, Labrador to Alaska, south to Maine, New Hampshire, Vermont, New York, Wisconsin and Minnesota. Ascends to 4000 ft. in Vermont. Also in Greenland, Europe and Asia. Fragrant wood-fern. 5. Dryopteris cristata (L.) A. Gray. Crested Shield-fern. Fig. 41. Polypodium cristatum L. Sp. PI. 1090. 1753. Aspidium cristatum Sw. Schrad. Journ. Bot. i8ooz: 37. 1801. Dryopteris cristata A. Gray, Man. 631. 1848. Rootstock stout, creeping, densely chaffy. Sterile leaves low, short-stipitate, spreading, much shorter than the fertile, evergreen. Fertile leaves rigidly erect, ii°-^k° long, long-stipitate, withering; blades i°-2i° long, 3'-6' broad, linear-oblong to lanceolate, acuminate, deeply bipinnatifid, dark green; pinnae spaced, oblong-lanceolate to triangular-ovate or the lower ones subtriangular; deeply pinnatifid into 6-10 pairs of oblong to triangular-oblong, obtuse, finely serrate segments, the basal ones more deeply cut; sori nearly medial; indusia large, orbicular-reniform, glabrous. In wet woods and
Size: 1445px × 1730px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913